http://www.metafilter.com/tags/notentoptic Posts tagged with 'notentoptic' at MetaFilter. Wed, 14 Nov 2007 15:25:16 -0800 Wed, 14 Nov 2007 15:25:16 -0800 en-us http://blogs.law.harvard.edu/tech/rss 60 http://www.metafilter.com/66543/Who%2Dlet%2Dthe%2Dinvisible%2Dman%2Din%2Dhere <a href="http://www.flickr.com/photos/williamhundley/sets/72157594235409275/">Entoptic phenomenanotographs</a> <small>[via <a href="http://www.flickr.com/">Flickr</a>]</small>. <a href="http://en.wikipedia.org/wiki/Entoptic_phenomenon">Entoptic phenomena</a> are visual effects whose source is within the eye itself. This is a photo set of nothing but entoptic phenomena... as well as a few invisible men. tag:metafilter.com,2007:site.66543 Wed, 14 Nov 2007 15:25:16 -0800 flickr notentoptic photography visualtricks WilliamHundley psmealey